A3 Mk1
| Fuel delivery unit and fuel gauge sender - exploded view |
| 1 - | Fuel delivery unit |
| q | With flange |
| q | Checking fuel pump (electrical test) → Chapter |
| q | Checking residual pressure → Rep. Gr.24 |
| q | Removing and installing → Chapter |
| 2 - | Seal |
| q | Renew |
| q | When installing, fit seal (dry) in opening in fuel tank |
| 3 - | Fuel return pipe |
| q | Blue |
| q | From fuel rail |
| q | Attached to connection marked “R” on flange |
| q | To disconnect from flange, press release tab on connection |
| 4 - | Fuel supply pipe |
| q | Black |
| q | To fuel filter |
| q | Attached to connection marked “V” on flange |
| q | To disconnect from flange, press release tab on connection |
| 5 - | Electrical connector |
| q | For fuel pump and fuel gauge sender -G- |
| 6 - | Union nut |
| q | Loosen and tighten with union nut tool -3217- |
| q | 80 Nm |
| 7 - | Fuel gauge sender -G- |
| q | Checking resistance values → Chapter |
| q | Removing and installing → Chapter |
